Flight OddsAA4251 BWI → ORD
American Airlines · Baltimore, MD to Chicago, IL · 92 flights observed, 2025-07-01 to 2025-11-01 · 622 mi
AA4251 covers more than one route in the data window — the stats below are for BWI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
92%
Median delay
-19 min
90th percentile
+13 min
Cancellation rate
0%
How often is AA4251 on time?
Across 92 flights on BWI → ORD from 2025-07-01 to 2025-11-01, AA4251 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +13 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 84 | 92% |
| 16-30 min | 2 | 2% |
| 31-60 min | 2 | 2% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 29 | 86% | -2 min |
| 2025-08 | 5 | 100% | -11 min |
| 2025-09 | 25 | 100% | -19 min |
| 2025-10 | 31 | 90% | -4 min |
| 2025-11 | 1 | 100% | -21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 100% |
| Tue | 14 | 86% |
| Wed | 13 | 92% |
| Thu | 13 | 92% |
| Fri | 13 | 92% |
| Sat | 12 | 92% |
| Sun | 13 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…